The father age 7 years ago was 11 times the age of his daughter. At present the father age is 7 times that of his daughter. Find the daughter present age.

(A) 17.5
(B) 18.2
(C) 23
(D) 25.4

Smith is 18 years elder than John. If 8 years ago, Smith was 6 times as old as John, then find Smith present age.

(A) 32.5 years
(B) 24.9 years
(C) 27.5 years
(D) 29.6 years

What is John present age, if after 30 years his age will be 15 times of his age 15 years back.

(A) 16.2 Years
(B) 17.7 Years
(C) 18.2 Years
(D) 15.4 Years

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